<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card>
      <el-row :gutter="20">
        <el-col :span="9">
          <el-input placeholder="请输入内容" clearable
          v-model="quertinfo.query" @clear="getUserList">
          <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button></el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>

      <!-- 用户列表 -->
      <el-table :data="userlist" border stripe style="width: 100%">
        <el-table-column type="index" width="50" label="#"></el-table-column>
        <el-table-column prop="username" label="姓名"></el-table-column>
        <el-table-column prop="email" label="邮箱"></el-table-column>
        <el-table-column prop="mobile" label="电话"> </el-table-column>
        <el-table-column prop="role_name" label="角色"></el-table-column>
        <el-table-column prop="mg_state" label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)" > </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
            <el-tooltip  effect="dark" content="分配角色" placement="top" :enterable="false">
                    <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)" ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页效果 -->
      <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="quertinfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="quertinfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
    </el-card>

    <!-- 添加用户 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" @close="addDialogClosed" >
      <el-form :model="ruleForm" ref="addFromRef" status-icon :rules="addFromRules"  label-width="70px" >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="ruleForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="ruleForm.password" type="password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="ruleForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="ruleForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <div slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary"  @click="submitForm">确 定</el-button>
      </div>
    </el-dialog>

    <!-- 修改用户信息 -->
    <el-dialog title="修改用户信息" :visible.sync="editDialogVisible" @close="editDialogClosed" >
      <el-form :model="editFrom" ref="editFromRef" status-icon :rules="aditFromRules"  label-width="70px" >
        <el-form-item label="用户名" >
          <el-input v-model="editFrom.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editFrom.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editFrom.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <div slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary"  @click="editUserInfo">确 定</el-button>
      </div>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed" >
      <div>
        <p>当前的用户： {{userInfo.username}} </p>
        <p>当前的角色： {{userInfo.role_name}} </p>
        <p>分配新角色： 
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    // 校验邮箱规则
    var checkEmail = (rule, value, cb) =>{
       let regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/ 
       if (regEmail.test(value)) {
         return cb()
       }else{
        cb(new Error('请输入合法的邮箱')) 
       }
   
      }
    // 校验手机号规则
    var checkMobile = (rule, value, cb) =>{
      let regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/ 
        if (regMobile.test(value)) {
          return cb()
        }else{
          cb(new Error('手机号码格式不正确')) 
        }

    } 
    return {
      quertinfo: {
        query: '',
        pagenum: 1,
        pagesize: 2
      },
      userlist: [],
      total: 0,
      addDialogVisible:false,
      editDialogVisible:false,
      ruleForm: {
        username: '',
        password: '',
        email: '',
        mobile: '',
        },
      addFromRules:{
          username: [
          { required: true, message: '请输入用户名称', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
          ],
          password: [
          { required: true, message: '请输入用户密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
          ],
          email: [
          { required: true, message: '请输入邮箱地址', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
          ],
          mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
          ]
        },
        editFrom:{},
        aditFromRules:{
          email: [
          { required: true, message: '请输入邮箱地址', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
          ],
          mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
          ]
        },
        setRoleDialogVisible:false,
        userInfo: {},
        rolesList: [],
        selectedRoleId:''
        
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.quertinfo
      })
      if (res.meta.status !== 200) return this.$message.error('res.meta.msg')
      this.userlist = res.data.users
      this.total = res.data.total
    },
    handleSizeChange(newSize){
        this.quertinfo.pagesize = newSize
        this.getUserList()

    },
    handleCurrentChange(newPage){
        this.quertinfo.pagenum = newPage
        this.getUserList()
    },
    async userStateChange(userinfo){
      const {data : res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200){
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败') 
      }
      this.$message.success('更新用户状态成功')
    },
    addDialogClosed(){
      this.$refs.addFromRef.resetFields()
    },
    editDialogClosed(){
      this.$refs.editFromRef.resetFields()
    },
    submitForm(){
      this.$refs.addFromRef.validate( async valid => {
        if (valid) {
          const {data: res} = await this.$http.post('users', this.ruleForm)
          console.log(res)
          if (res.meta.status == 201) {
             this.addDialogVisible = false
          return this.$message.success('添加用户成功！')
          }
        }else {
            return this.$message.error('添加用户失败！')
          }
      })
    },
    async showEditDialog(id){
        this.editDialogVisible = true
        const {data : res} = await this.$http.get(`users/${id}`)
        if (res.meta.status !== 200) return this.$message.error('获取用户信息失败')
        this.editFrom =res.data
    },
    editUserInfo(){
      this.$refs.editFromRef.validate( async valid => {
        if (!valid) return
          const {data: res} = await this.$http.put('users/' + this.editFrom.id, {email: this.editFrom.email, mobile: this.editFrom.mobile})
          console.log(res)
          if (res.meta.status !== 200) {
            return this.$message.error('修改用户失败！')
          }
          this.editDialogVisible = false
          this.getUserList()
          this.$message.success('修改用户成功！')
      })
    },
    async removeUserById(id){
      
       const confirmresult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err =>{
          err
        })
        if (confirmresult != 'confirm') {
          return this.$message('已经取消了删除!')
        }

        const {data : res} = await this.$http.delete('users/' + id)
          // console.log(res)
          if (res.meta.status != 200) {
            return  this.$message.error('删除用户失败')
          }
            this.$message.success('删除用户成功')
            this.getUserList()
      },
      async setRole(userInfo){
        this.userInfo = userInfo

        const {data: res} = await this.$http.get('roles')
        console.log(res)
        if (res.meta.status !== 200) return this.$message.error('获取角色列表失败')
        
        this.rolesList = res.data


        this.setRoleDialogVisible = true
      },
      async saveRoleInfo(){
        if (!this.selectedRoleId) {
          return this.$message.error('请选择要分配的角色')
        }
        const {data: res} = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectedRoleId})
        console.log(res)
        if (res.meta.status !== 200) return this.$message.error('分配角色失败')
        this.$message.success('分配角色成功')
        this.getUserList()
        this.setRoleDialogVisible = false
        
      },
      setRoleDialogClosed(){
        this.selectedRoleId= ''
        this.userInfo= {}
      }
  }
}
</script>

<style lang="less" scoped></style>
